1#ifndef _LINUX_STDDEF_H 2#define _LINUX_STDDEF_H 3 4#include <uapi/linux/stddef.h> 5 6 7#undef NULL 8#define NULL ((void *)0) 9 10enum { 11 false = 0, 12 true = 1 13}; 14 15#undef offsetof 16#ifdef __compiler_offsetof 17#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER) 18#else 19#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 20#endif 21#endif 22 23/** 24 * offsetofend(TYPE, MEMBER) 25 * 26 * @TYPE: The type of the structure 27 * @MEMBER: The member within the structure to get the end offset of 28 */ 29#define offsetofend(TYPE, MEMBER) \ 30 (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) 31